Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 196,221
Test Sponsor: Dell Inc. SPEC License #: 6573 Test Method: Single Node
Tested By: Dell Inc. Test Location: Round Rock, TX, USA Test Date: Dec 18, 2025
Hardware Availability: May-2025 Software Availability: Jun-2025 Publication: Apr 22, 2026
System Source: Single Supplier System Designation: Server Power Provisioning: Line-powered
Benchmark Results Summary
Target Load Actual Load ssj_ops
Target Actual
Calibration 1     207,585
Calibration 2     197,958
Calibration 3     196,957
ssj_ops@calibrated=197,457
100% 99.4% 197,457 196,221
90% 90.3% 177,712 178,250
80% 80.3% 157,966 158,465
70% 69.5% 138,220 137,217
60% 60.2% 118,474 118,772
50% 50.2% 98,729 99,064
40% 39.9% 78,983 78,865
30% 30.5% 59,237 60,301
20% 20.0% 39,491 39,418
10% 10.1% 19,746 19,941
Active Idle   0 0
Graph of results
System Under Test
Set: 'sut'
Set Identifier: sut
Set Description: System Under Test
# of Identical Nodes: 1
Comment: PowerEdge R770
Hardware
Hardware Vendor: Dell Inc.
Model: PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz)
Form Factor: 2U
CPU Name: Intel Xeon 6737P 2.9 GHz
CPU Characteristics: 32 core, 2.9 GHz, 144 MB L3 Cache, Max Boost Clock up to 4 GHz
CPU Frequency (MHz): 2900
CPU(s) Enabled: 64 cores, 2 chips, 32 cores/chip
Hardware Threads: 128 (2 / core)
CPU(s) Orderable: 1,2 chip
Primary Cache: 64 KB I + 48 KB D on chip per core
Secondary Cache: 2 MB I+D on chip per core
Tertiary Cache: 144 MB I+D on chip per chip
Other Cache: None
Memory Amount (GB): 512
# and size of DIMM: 16 x 32 GB
Memory Details: 32 GB 2Rx4 PC5-6400-R running at 6400Hz Slots A1-8, B1-8 populated.
Power Supply Quantity and Rating (W): 2 x 1500
Power Supply Details: 1500W Platinum Efficiency
Disk Drive: 2 x 447.13 GB NVMe, 4 x 3576.98 GB PCIe SSD
Disk Controller: PCIe SSD Backplane, PCIe attached Boot Optimized Storage (BOSS) card
# and type of Network Interface Cards (NICs) Installed: 1 x Broadcom NetXtreme Gigabit Ethernet, 1 x Broadcom BCM57414 2x25G OCP Ethernet NIC
NICs Enabled in Firmware / OS / Connected: 4/4/1
Network Speed (Mbit): 1000
Keyboard: None
Mouse: None
Monitor: None
Optical Drives: No
Other Hardware: None
Software
Power Management: Balanced power plan in OS (see SUT notes)
Operating System (OS): Microsoft Windows Server 2022 Standard
OS Version: 21H2 (OS Build 20348.4405)
Filesystem: NTFS
JVM Vendor: Microsoft
JVM Version: Java HotSpot(TM) 64-Bit Server VM (build 17.0.14+8-LTS-191, mixed mode, sharing)
JVM Command-line Options: -server -Xmn1900m -Xms2048m -Xmx2048m -XX:ParallelGCThreads=2 -XX:+UseLargePages -XX:LargePageSizeInBytes=2m -XX:UseAVX=1 -XX:AutoBoxCacheMax=20000 -XX:+UseParallelGC -XX:+OptimizeFill -XX:+AggressiveHeap -XX:FreqInlineSize=2500 -XX:InlineSmallCode=3900 -XX:+UseBiasedLocking -XX:AllocatePrefetchDistance=256 -XX:AllocatePrefetchLines=8
JVM Affinity: start /NODE [0,1,2,3,4,5,6,7] /AFFINITY [0x3,0xC,0x30,0xC0,0x300,0xC00,0x3000,0xC000]
JVM Instances: 64
JVM Initial Heap (MB): 2048
JVM Maximum Heap (MB): 2048
JVM Address Bits: 64
Boot Firmware Version: 1.5.4
Management Firmware Version: 1.20.80.00 A00
Workload Version: SSJ 1.2.10
Director Location: Controller
Other Software: None
Boot Firmware Settings
Management Firmware Settings
Default Thermal Profile Settings
System Under Test Notes
Notes
None
Performance Details
Target Load Actual Load Transaction Type Count Total Heap (MB)
Calibration 1 New Order 15,099,056 1,494
Payment 15,099,055
Order Status 1,509,906
Delivery 1,509,905
Stock Level 1,509,906
Customer Report 15,099,055
Calibration 2 New Order 14,397,236 1,494
Payment 14,397,240
Order Status 1,439,723
Delivery 1,439,723
Stock Level 1,439,724
Customer Report 14,397,236
Calibration 3 New Order 14,325,007 1,494
Payment 14,325,006
Order Status 1,432,500
Delivery 1,432,500
Stock Level 1,432,499
Customer Report 14,325,011
100% 99.4% New Order 14,272,058 1,494
Payment 14,272,052
Order Status 1,427,207
Delivery 1,427,207
Stock Level 1,427,205
Customer Report 14,272,056
90% 90.3% New Order 12,965,255 1,494
Payment 12,965,255
Order Status 1,296,524
Delivery 1,296,525
Stock Level 1,296,525
Customer Report 12,965,252
80% 80.3% New Order 11,526,517 1,494
Payment 11,526,516
Order Status 1,152,652
Delivery 1,152,653
Stock Level 1,152,651
Customer Report 11,526,517
70% 69.5% New Order 9,979,577 1,494
Payment 9,979,573
Order Status 997,956
Delivery 997,957
Stock Level 997,957
Customer Report 9,979,576
60% 60.2% New Order 8,638,044 1,494
Payment 8,638,043
Order Status 863,805
Delivery 863,804
Stock Level 863,804
Customer Report 8,638,043
50% 50.2% New Order 7,204,643 1,494
Payment 7,204,646
Order Status 720,464
Delivery 720,463
Stock Level 720,464
Customer Report 7,204,641
40% 39.9% New Order 5,735,730 1,494
Payment 5,735,729
Order Status 573,573
Delivery 573,572
Stock Level 573,574
Customer Report 5,735,734
30% 30.5% New Order 4,385,760 1,494
Payment 4,385,755
Order Status 438,575
Delivery 438,577
Stock Level 438,575
Customer Report 4,385,759
20% 20.0% New Order 2,866,946 1,494
Payment 2,866,942
Order Status 286,695
Delivery 286,694
Stock Level 286,695
Customer Report 2,866,943
10% 10.1% New Order 1,450,304 1,494
Payment 1,450,306
Order Status 145,030
Delivery 145,030
Stock Level 145,031
Customer Report 1,450,299
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0